bugfix: No $scopeinfo cell when flattening in ELABORATE_ONLY mode (#677)

Signed-off-by: Sylvain Munaut <[email protected]>
efabless · Feb 21, 2025 · b89f786 · b89f786
1 parent 2567161
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diff --git a/Changelog.md b/Changelog.md
@@ -14,6 +14,14 @@
 ## Documentation
 -->
 
+# 2.3.10
+
+## Steps
+
+* `Yosys.Synthesis`
+  * `SYNTH_ELABORATE_FLATTEN` now passes the `-noscopeinfo` flag so scopeinfo
+    cells are no longer emitted from Synthesis.
+
 # 2.3.9
 
 ## Tool Updates

diff --git a/openlane/scripts/pyosys/synthesize.py b/openlane/scripts/pyosys/synthesize.py
@@ -309,7 +309,7 @@ def synthesize(
     if config["SYNTH_ELABORATE_ONLY"]:
         openlane_proc(d, report_dir)
         if config["SYNTH_ELABORATE_FLATTEN"]:
-            d.run_pass("flatten")
+            d.run_pass("flatten", "-noscopeinfo")
         d.run_pass("setattr", "-set", "keep", "1")
         d.run_pass("splitnets")
         d.run_pass("opt_clean", "-purge")

diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openlane"
-version = "2.3.9"
+version = "2.3.10"
 description = "An infrastructure for implementing chip design flows"
 authors = ["Efabless Corporation and Contributors <[email protected]>"]
 readme = "Readme.md"